Machine-bolt anchor



J. E. OGDEN.

MACHINE BOLT ANCHOR.

APPLICATION FILED AUG.18. 1919.

1 ,365,719. Patented Jan. 18, 1921.

I acitizen of the United States of America,

" an annular curved JOHN EDWARD OGDEN, OF CORNWALL, NEW YORK.

MACHINE-BOLT ANCHOR.

Specification of Letters Patent.

Patented Jan. 18,1921.

Application filed August 18, 1918. Serial No. 818,138

To all whom it may concern:

' Be it known that I, J OHN EDWARD OGDEN,-

and a resident of Mountainville; town of Cornwall, Orange county, andState of New York, have invented certain new and useful Improvements inMachine-Bolt Anchorages, of which the following is a specification,reference being had to the accompanying drawin s, forming a partthereof.

his invention relates to improvements in machine bolt anchorages and itsobject is to provide a simple and inexpensive device for this purposewhich is easy to operate and which will form an eflg'ective anchoragefor machinebolts and the like, which Wlll not effectively engage in thematerial of which the wall or other structure is constructed .to whichthe bolt is. to be applied.' More specifically, its object is to providea device having end members of comparatively rigid construction joinedby a shell of collapsible metal which will be distorted when the endmembers are moved toward each other and will form the desired anchorage.

These and other objects of the invention will ap ear in the followingspecification in which Fwill describe the invention, the novel featuresof which will be set forth in appended claims.

Referring to the drawings:

Figure 1 is an elevation of anchorage de vice which is made according toand embodies this invention.

Fig. 2 is a longitudinal sectional elevation of the same device.

Fig. 3 is a sectional plan view taken on the line 33 of Fig. 2.

Fig. 4: is a view similar to Fig. 3 illustrat ing a modified form ofconstruction.

- ig. 5 is a sectional elevation of a device like that shown in thepreceding figures, placed in a hole in a wall and with a bolt insertedin the device.

Fj 6 is a similar view of like parts showing t e positions they assumeafter expanslon.

Like characters of reference designate corresponding parts in all thefigures.

10 designates a collar of rigid metal which may be cast, stamped orforged. This has a central clearance hole for a bolt, and roove near oneof its ends. 11 is a nut WhlCh is internally threaded to receive thethreads of a bolt. This has also a curved annular groove near one of itsends.

12 is a tubular shell of comparatively thin metal which may have its endportions rolled into the annular grooves of the collar and nut, as at 13and 14, and may have its intermediate part rolled down to have anoutside diameter equal to that of the collar and nut. Or if desired,this part of the-structure may be constructed from a flat blank bentaround a longitudinal axis into desired form, in which cases itsopposite ends will meet, as shown at 15 in Fig. 3. 1

In either of these cases the three parts of the device may be heldtogether by the engagement of the shell with the grooves in the collarand nut.

It is also within the scope of this invention to make the shell in aplurality of longitudinally divided parts such as 16 and 17 in Fig. 4 inwhich case it may be desirable to provide some way of holding the partsthereof together, as by means of wiresor springs both of which are wellknown in this art for this same purpose.

The manner in which this device isused is illustrated in Figs. 5 and 6in which 20 designates a part of a wall in which a hole pull the nuttoward the collar and in doing.

this the shell 12 will be collapsed as shown in Fig. 6. .The ends of theshell will be forced outwardly into the wall of the hole 21 as shown at18 and the intermediate portion \will be buckled inwardly against theshank of the bolt and outwardly against the wall of the hole as shown at19, this forming the desired anchorage.

I have described What I consider preferred forms of construction, butintend no limitations other than those imposed by the appended claims.

What I claim is:

1. An anchorage device comprising two rigid end members, and a separateintermediate shell of collapsible material joining said members.

2. An anchorage device comprising two rigid end members provided withannular grooves near their adjacent ends, and an intermediate shell ofcollapsible material fitted into said grooves and joining said members.

3. An anchorage device comprising two rigid end members inaxialalinement, one of which is internally threaded, and a separateintermediate shell of comparatively thin collapsible metal joining saidmembers.

4. An anchorage device comprising two rigid end members in axialalinement provided with annular grooves near their adjacent ends, one ofwhich is internally threaded, and an intermediate shell of comparativelythin collapsible metal fitted into said grooves and joining: saidmembers.

5. An anchorage device comprising two rigid end members in axialalinement provided with annular grooves near their ad jacent ends, oneof which is internally threaded, and a plurality of parts forming anintermediate shell of comparatively thin collapsible metal fitted intosaid grooves and joining, said members.

In Witness whereof I hereunto set my hand this 12th day of August 1919.

JOHN EDWARD OGDEN.

\Vitness:

I.- B. MOORE.

